﻿#region License
// Copyright 2008-2009 Jeremy Skinner (http://www.jeremyskinner.co.uk)
// 
// Licensed under the Apache License, Version 2.0 (the "License"); 
// you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, 
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// The latest version of this file can be found at http://www.codeplex.com/FluentValidation
#endregion

namespace FluentValidation.Validators
{
    using System;
    using Attributes;
    using Internal;
    using Resources;
    using Results;


    [ValidationMessage(Key = DefaultResourceManager.ExclusiveBetweenValidatorError)]
    public class ExclusiveBetweenValidator<TInstance, TType> : IPropertyValidator<TInstance, TType>, IBetweenValidator<TType> where TType : IComparable<TType>
    {
       public ExclusiveBetweenValidator(TType from, TType to)
        {
            To = to;
            From = from;

            if (to.CompareTo(from) == -1)
            {
                throw new ArgumentOutOfRangeException("to", "To should be larger than from.");
            }
        }

        #region IBetweenValidator Members
        public TType From { get; private set; }
        public TType To { get; private set; }
        #endregion

        public PropertyValidatorResult Validate(PropertyValidatorContext<TInstance, TType> context)
        {
            if (context.PropertyValue.CompareTo(From) <= 0 || context.PropertyValue.CompareTo(To) >= 0)
            {
                MessageFormatter formatter = new MessageFormatter()
                    .AppendProperyName(context.PropertyDescription)
                    .AppendArgument("From", From)
                    .AppendArgument("To", To)
                    .AppendArgument("Value", context.PropertyValue);

                string error = context.GetFormattedErrorMessage(GetType(), formatter);
                return PropertyValidatorResult.Failure(error);
            }
            return PropertyValidatorResult.Success();
        }
    }

}